Seiko Cal. 4550 - 642

Seiko 4550-642

This Hand-Winding model from 1974 features a 34mm Hardlex-Coated Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e5848e4ac669]

Also known as: Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1974

Related Models

seikata-wm-e5848e4ac669